Incidence, management, and outcome of complications of castration in equids: 324 cases (1998-2008)

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Abstract

Objective-To determine the incidence of complications and identify risk factors associated with development of complications following routine castration of equids. Design-Retrospective case series. Animals-311 horses, 10 mules, and 3 donkeys. Procedures-Medical records of equids undergoing routine castration were reviewed. Age, breed, surgical techniques (closed vs semiclosed castration and use of ligatures), anesthesia method (general IV anesthesia vs standing sedation with local anesthesia) and repeated administration of IV anesthetic agents, administration of antimicrobials and antiinflammatory drugs, and details regarding development, management, and outcome of complications were recorded. Odds ratios and 95% confidence intervals were determined. Associations between additional doses of anesthetic agents during surgery and development of complications were analyzed with a Jonckheere-Terpstra test. Results-33 of 324 (10.2%) equids developed a complication after surgery; 32 recovered and 1 was euthanized because of eventration. Equids that underwent semiclosed castration had significantly higher odds of developing a complication (OR, 4.69; 95% confidence interval, 2.09 to 10.6) than did those that underwent closed castration. Equids that received additional doses of anesthetic agents to maintain adequate general anesthesia developed complications more frequently than those that did not require this treatment. Conclusions and Clinical Relevance-Incidence of complications was low, and most evaluated variables were not significantly associated with development of complications following castration in equids. However, findings suggested that the choice of surgical technique (closed vs semiclosed) is an important factor in this regard. Future studies should investigate whether duration of surgery is associated with complications following castration in equids.

Original languageEnglish (US)
Pages (from-to)820-825
Number of pages6
JournalJournal of the American Veterinary Medical Association
Volume242
Issue number6
DOIs
StatePublished - 2013

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Castration
castration
incidence
Incidence
surgery
anesthesia
anesthetics
Anesthetics
Equidae
General Anesthesia
confidence interval
Confidence Intervals
mules
sedation
Local Anesthesia
asses
dosage
intravenous injection
odds ratio
Horses

ASJC Scopus subject areas

  • veterinary(all)

Cite this

@article{379cb74d385140c983d859f9bc880c2e,
title = "Incidence, management, and outcome of complications of castration in equids: 324 cases (1998-2008)",
abstract = "Objective-To determine the incidence of complications and identify risk factors associated with development of complications following routine castration of equids. Design-Retrospective case series. Animals-311 horses, 10 mules, and 3 donkeys. Procedures-Medical records of equids undergoing routine castration were reviewed. Age, breed, surgical techniques (closed vs semiclosed castration and use of ligatures), anesthesia method (general IV anesthesia vs standing sedation with local anesthesia) and repeated administration of IV anesthetic agents, administration of antimicrobials and antiinflammatory drugs, and details regarding development, management, and outcome of complications were recorded. Odds ratios and 95{\%} confidence intervals were determined. Associations between additional doses of anesthetic agents during surgery and development of complications were analyzed with a Jonckheere-Terpstra test. Results-33 of 324 (10.2{\%}) equids developed a complication after surgery; 32 recovered and 1 was euthanized because of eventration. Equids that underwent semiclosed castration had significantly higher odds of developing a complication (OR, 4.69; 95{\%} confidence interval, 2.09 to 10.6) than did those that underwent closed castration. Equids that received additional doses of anesthetic agents to maintain adequate general anesthesia developed complications more frequently than those that did not require this treatment. Conclusions and Clinical Relevance-Incidence of complications was low, and most evaluated variables were not significantly associated with development of complications following castration in equids. However, findings suggested that the choice of surgical technique (closed vs semiclosed) is an important factor in this regard. Future studies should investigate whether duration of surgery is associated with complications following castration in equids.",
author = "Isabelle Kilcoyne and Watson, {Johanna L} and Kass, {Philip H} and Sharon Spier",
year = "2013",
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T1 - Incidence, management, and outcome of complications of castration in equids

T2 - 324 cases (1998-2008)

AU - Kilcoyne, Isabelle

AU - Watson, Johanna L

AU - Kass, Philip H

AU - Spier, Sharon

PY - 2013

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N2 - Objective-To determine the incidence of complications and identify risk factors associated with development of complications following routine castration of equids. Design-Retrospective case series. Animals-311 horses, 10 mules, and 3 donkeys. Procedures-Medical records of equids undergoing routine castration were reviewed. Age, breed, surgical techniques (closed vs semiclosed castration and use of ligatures), anesthesia method (general IV anesthesia vs standing sedation with local anesthesia) and repeated administration of IV anesthetic agents, administration of antimicrobials and antiinflammatory drugs, and details regarding development, management, and outcome of complications were recorded. Odds ratios and 95% confidence intervals were determined. Associations between additional doses of anesthetic agents during surgery and development of complications were analyzed with a Jonckheere-Terpstra test. Results-33 of 324 (10.2%) equids developed a complication after surgery; 32 recovered and 1 was euthanized because of eventration. Equids that underwent semiclosed castration had significantly higher odds of developing a complication (OR, 4.69; 95% confidence interval, 2.09 to 10.6) than did those that underwent closed castration. Equids that received additional doses of anesthetic agents to maintain adequate general anesthesia developed complications more frequently than those that did not require this treatment. Conclusions and Clinical Relevance-Incidence of complications was low, and most evaluated variables were not significantly associated with development of complications following castration in equids. However, findings suggested that the choice of surgical technique (closed vs semiclosed) is an important factor in this regard. Future studies should investigate whether duration of surgery is associated with complications following castration in equids.

AB - Objective-To determine the incidence of complications and identify risk factors associated with development of complications following routine castration of equids. Design-Retrospective case series. Animals-311 horses, 10 mules, and 3 donkeys. Procedures-Medical records of equids undergoing routine castration were reviewed. Age, breed, surgical techniques (closed vs semiclosed castration and use of ligatures), anesthesia method (general IV anesthesia vs standing sedation with local anesthesia) and repeated administration of IV anesthetic agents, administration of antimicrobials and antiinflammatory drugs, and details regarding development, management, and outcome of complications were recorded. Odds ratios and 95% confidence intervals were determined. Associations between additional doses of anesthetic agents during surgery and development of complications were analyzed with a Jonckheere-Terpstra test. Results-33 of 324 (10.2%) equids developed a complication after surgery; 32 recovered and 1 was euthanized because of eventration. Equids that underwent semiclosed castration had significantly higher odds of developing a complication (OR, 4.69; 95% confidence interval, 2.09 to 10.6) than did those that underwent closed castration. Equids that received additional doses of anesthetic agents to maintain adequate general anesthesia developed complications more frequently than those that did not require this treatment. Conclusions and Clinical Relevance-Incidence of complications was low, and most evaluated variables were not significantly associated with development of complications following castration in equids. However, findings suggested that the choice of surgical technique (closed vs semiclosed) is an important factor in this regard. Future studies should investigate whether duration of surgery is associated with complications following castration in equids.

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